Description

EDTA Disodium (CAS 6381-92-6) is a chelating agent that binds metal ions (iron, calcium, magnesium) in formulations. It protects cosmetics from discoloration, rancidity and microbe growth — a quiet but essential stabilizer in nearly every water-based product.

Physical & Chemical Properties

• INCI: Disodium EDTA
• CAS number: 6381-92-6
• Appearance: white crystalline powder
• Solubility: soluble in water
• Molecular formula: C10H14N2Na2O8 (dihydrate C10H18N2Na2O10)
• Ionic type: anionic chelating agent

Key Benefits for Formulation

• Metal chelation: binds iron, calcium and magnesium ions
• Stability: prevents discoloration and rancidity
• Preservative synergy: enhances preservative efficacy
• Foam & clarity: improves lather and appearance in cleansers
• Cost-effective: essential at low use levels

Main Applications

• Creams & lotions: metal-ion stability
• Cleansers & shampoos: foam and clarity
• Toners & serums: active stability
• Color cosmetics: color protection
• Industrial & household: hard-water performance

Why Choose Our Bulk EDTA Disodium?

• GMP manufacturing: full quality control from raw material to finished product
• Complete documentation: COA, SDS and heavy metal test reports available on request
• Flexible supply: MOQ and lead time on inquiry, from R&D samples to mass production
• Export experience: reliable shipping to EU, North America, Australia and Middle East

Recommended Usage

Typical use level 0.05%–0.2%. Water-soluble — add to the water phase. Compatible with most systems; verify with cationic actives.

FAQ About Wholesale EDTA Disodium

What is the CAS number of EDTA Disodium?

CAS 6381-92-6 (dihydrate); anhydrous 139-33-3.

What is the INCI name?

Disodium EDTA.

What is EDTA Disodium used for?

Chelating metal ions to stabilize formulas and boost preservative efficacy.

Is it water soluble?

Yes — it is soluble in water.

What is the recommended use level?

0.05%–0.2% depending on water hardness.

Does it boost preservatives?

Yes — by sequestering metal ions it enhances preservative performance.

Is it suitable for all cosmetics?

Yes — it is widely used in skin, hair and color cosmetics.

Start Your EDTA Disodium Bulk Order

Contact our sales team today for spec sheets, samples and bulk pricing — our technical team is ready to support your formulation development.